Browsing Articles by Author "Skagen, Dankert W."
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Abundance estimation of Northeast Atlantic mackerel based on tag recapture data - A useful tool for stock assessment?
Tenningen, Maria; Slotte, Aril; Skagen, Dankert W. (Journal article; Peer reviewed, 2010-10)In the present study we utilize tag recapture data to estimate year class abundance and spawning stock biomass of mackerel (Scomber scombrus L.) in the Northeast Atlantic for the period 1986–2008. On average 20,000 jigged ... -
Geographic variability of sardine dynamics in the Iberian Biscay region
Silva, Alexandra; Skagen, Dankert W.; Uriarte, A.; Massé, Jacques; Santos, M. B.; Marques, V.; Carrera, P.; Beillois, P.; Pestana, G.; Porteiro, C.; Stratoudakis, Y. (Journal article; Peer reviewed, 2009-04)The spatio-temporal variability in the distribution, demographic structure, recruitment, and mortality of sardine within the Iberian Biscay region is described using area-disaggregated data collected during acoustic surveys ... -
Size of mackerel in research vessel trawls and commercial purse-seine catches: implications for acoustic estimation of biomass
Slotte, Aril; Skagen, Dankert W.; Iversen, Svein A. (Journal article; Peer reviewed, 2007-04)In September after summer feeding has ceased, Northeast Atlantic mackerel (Scomber scombrus) tend to aggregate in ICES Area IVa before starting to migrate south towards the spawning grounds, between December and February. ...